Home / 16,993.96-23,455.01-10,857.73

Finding the Fourth Proportional to 16,993.96, 23,455.01 and 10,857.73

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Solution

The fourth proportional to 16,993.96, 23,455.01 and 10,857.73 is: 14,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,993.96 : 23,455.01 = 10,857.73 : x
  2. Step 2: Convert to fraction form
    16,993.96/23,455.01 = 10,857.73/x
  3. Step 3: Cross multiply
    16,993.96x = 23,455.01 × 10,857.73
  4. Step 4: Simplify right side
    16,993.96x = 254,668,165.73
  5. Step 5: Solve for x
    x = 254,668,165.73/16,993.96
  6. Step 6: Final answer
    x = 14,985.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.